CN109867796B - Preparation method of Ce-Li-MOF lithium ion battery negative electrode material and application of Ce-Li-MOF lithium ion battery negative electrode material in preparation of lithium ion battery - Google Patents
Preparation method of Ce-Li-MOF lithium ion battery negative electrode material and application of Ce-Li-MOF lithium ion battery negative electrode material in preparation of lithium ion battery Download PDFInfo
- Publication number
- CN109867796B CN109867796B CN201910099125.7A CN201910099125A CN109867796B CN 109867796 B CN109867796 B CN 109867796B CN 201910099125 A CN201910099125 A CN 201910099125A CN 109867796 B CN109867796 B CN 109867796B
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- mof
- preparation
- negative electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the field of functional material preparation, and particularly relates to a preparation method of a Ce-Li-MOF lithium ion battery anode material and application thereof in the aspect of preparing a lithium ion battery, which is implemented according to the following steps: (1) dispersing pyromellitic acid, cerium sulfate and lithium hydroxide in an aqueous solution, placing the aqueous solution in a reaction kettle, obtaining orange brown slurry at room temperature in an air atmosphere, and stirring; (2) transferring the product obtained in the step (1) into a high-pressure reaction kettle, heating for reaction, and naturally cooling to room temperature to obtain a light yellow transparent crystal; (3) washing the product obtained in the step (2) with deionized water, and drying under natural conditions to obtain the Ce-Li-MOF lithium ion battery cathode material. The method has good reproducibility, the target product has ideal shape and structure, and the prepared button cell has outstanding electrochemical performance.
Description
Technical Field
The invention belongs to the field of functional material preparation, and particularly relates to a preparation method of a Ce-Li-MOF lithium ion battery negative electrode material and application of the Ce-Li-MOF lithium ion battery negative electrode material in preparation of a lithium ion battery.
Background
Lithium ion batteries are widely used in mobile phones, notebook computers, satellites and traffic and are a promising power source, the materials of the lithium ion batteries rely on abundant and diverse chemical reactions, and at present, the lithium ion batteries are mainly based on inorganic materials, and more materials include carbon materials, alloy materials and organic materials such as conjugated conductive polymers, sulfur-containing molecules and metal organic framework materials. With the reduction of fossil fuels, lithium ion batteries have received increasing attention worldwide due to their advantages of high energy density, long cycle life, low cost, flexibility in manufacturing batteries of various shapes and sizes, and the like.
The Metal Organic Frameworks (MOFs) is a novel Organic-inorganic hybrid crystalline porous material, has the advantages of various structures and pore channels, adjustable size, excellent thermal stability, chemical stability and the like, is potentially applied to the fields of energy gas storage, chemical engineering, optics, electrics, magnetism, biomedicine and the like, and is witnessed for the rapid development of the MOFs field and is applied to the battery aspect at present. Ln-MOFs are coordination polymers with cavity structures of specific sizes and shapes formed by self-assembly of rare earth ions (lanthanide: Ln) and rigid organic polydentate ligands, and generally have 2D or 3D high-dimensional structures and permanently open pores. The structure of Ln-MOFs is determined by the structure of Secondary Building Units (SBUs), the secondary building units are small building units formed by wrapping lanthanide metal ions by coordination groups, and the secondary building units directly determine the final topological structure of the Ln-MOFs instead of the action of the lanthanide ions in the Ln-MOFs. Carboxylic acid ligands have significant advantages in the construction of Ln-MOFs, such as: the solubility is relatively good, the coordination capacity is relatively strong, the thermal stability of the generated framework structure is high, more importantly, the oxygen atom in the carboxyl participates in coordination, and the coordination mode with metal ions is various, so that various Ln-MOFs with novel structures can be formed. Ln-MOFs have shown particularly outstanding value in terms of fluorescence emission, but reports on electrochemistry are rare. China is a big rare earth country, so the method for preparing the rare earth lithium ion battery cathode material is very instructive to explore and research.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of a Ce-Li-MOF lithium ion battery cathode material which has good reproducibility and ideal appearance structure of a target product and is made into a button battery with outstanding electrochemical performance.
The invention also provides a Ce-Li-MOF lithium ion battery cathode material and an application thereof in the aspect of preparing a lithium ion battery.
In order to solve the technical problem, the invention is realized as follows:
the preparation method of the Ce-Li-MOF lithium ion battery anode material is implemented according to the following steps:
(1) placing pyromellitic acid, cerium sulfate and lithium hydroxide in a reaction kettle, adding deionized water, and stirring at room temperature;
(2) transferring the product obtained in the step (1) into an oven for constant temperature treatment;
(3) naturally cooling the product obtained in the step (2) to room temperature, washing with deionized water and ultrasonically cleaning, and then filtering to obtain light yellow crystal particles; and drying under natural conditions to obtain the Ce-Li-MOF lithium ion battery cathode material.
As a preferred scheme, the mass ratio of pyromellitic acid, cerium sulfate, lithium hydroxide and deionized water is as follows in sequence: 0.4-0.6: 0.7-0.9: 0.2-0.3: 18 to 20.
Further, in the step (2), the preheating temperature of the oven is 180-200 ℃; the constant temperature is 180-200 ℃; the constant temperature time is 70-72 h.
Further, in the step (3), the product obtained in the step (2) is washed with deionized water for 2-3 times, and dried for 10-12 hours under natural conditions, so that the Ce-Li-MOF lithium ion battery cathode material is obtained.
The application of the Ce-Li-MOF lithium ion battery negative electrode material in the aspect of preparing the lithium ion battery can be implemented according to the following steps: fully grinding a Ce-Li-MOF lithium ion battery negative electrode material, polyvinylidene fluoride, conductive graphite and N-methyl pyrrolidone to obtain lithium ion battery electrode slurry; and uniformly coating the lithium ion battery electrode slurry on the surface of copper foil, drying the coated electrode plate, cooling to room temperature, slicing the electrode plate stamped sheet, and assembling the battery to obtain the lithium ion battery.
As a preferred scheme, the mass ratio of the Ce-Li-MOF lithium ion battery negative electrode material, the conductive acetylene black and the polyvinylidene fluoride is as follows in sequence: 5-8: 1-3: 0.5 to 2.
Further, the electrode slice is dried for 10-13 hours in a vacuum drying oven of 0.1Mpa at the temperature of 80-110 ℃.
Further, the invention takes out the coated electrode sheet and fastens the anode material and the copper foil under a pressure of 10 Mpa.
Further, the electrolyte used in the battery assembly of the present invention includes LiPF6Ethylene carbonate, dimethyl carbonate and diethyl carbonate; the volume ratio of the ethylene carbonate to the dimethyl carbonate to the diethyl carbonate is 1:1:1 in sequence.
Furthermore, the diaphragm in the battery assembly adopts a polypropylene microporous membrane.
The synthesized material Ce-Li-MOF has a stable structure and is a lithium ion battery cathode material with a novel structure. The material is made into a button cell for electrochemical test, interesting electrochemical performance is shown, the first discharge capacity is 279mAh/g, the specific capacity is gradually increased after the second circle, the discharge specific capacity of the twentieth circle reaches 758mAh/g, the peak specific capacity reached by the 25 th circle is 800.5mAh/g, the discharge specific capacity of the fifty th circle is 735.7mAh/g, and the charge capacity is reduced to 349.6mAh/g after 100 cycles.
The invention takes deionized water as a reaction solvent, and is environment-friendly and easy to obtain. The concept is in line with the green and low cost of the current technology. China is a big rare earth country, and the prepared rare earth and lithium double-metal coordination polymer uses an X-ray diffractometer of Japan science, and has the model of Supernova. The Mo target has the wavelength of 0.71071A, the working voltage of 50k V and the current of 0.08mA for analyzing the structure of the complexAnalysis was performed and the diffraction data collected followed by a refinement of the structure using the Shelxtl program. The novel complex has the chemical formula C10H2CeLiO8Is a triclinic system with a space group of P-1The electrochemical performance is excellent, and the method has great application prospect and market value.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
FIG. 1 is a crystal morphology diagram of Ce-Li-MOF under an optical microscope.
FIG. 2 is an XRD characterization diagram of a Ce-Li-MOF single crystal of the invention.
FIG. 3 is an SEM representation of a Ce-Li-MOF of the present invention.
FIG. 4 is a diagram of a Ce-Li-MOF constant current charge-discharge cycle curve according to the present invention.
Detailed Description
Electrode active material Ce-Li-MOF, conductive acetylene black, and polyvinylidene fluoride (PVDF) were mixed at a ratio of 7: 2: 1, and then adding a proper amount of solvent N-methyl pyrrolidone (NMP). The mixture was thoroughly ground to form a uniform paste. The paste slurry was then coated on the smooth surface of a copper foil, and the coated electrode sheet cut from the copper foil was dried in a vacuum (0.1 MPa) oven at 90 ℃ for 12 hours. After cooling to room temperature, the dried copper foil coated with the Ce-Li-MOF lithium ion battery negative electrode material was removed from the oven and the contact between the anode material and the copper foil was then tightened under a pressure of 10Mpa to prevent release of the anode material from the copper. During electrochemical testing, the dried and pressed copper film was cut into 0.8cm long squares and the weight of each electrode was then automatically weighed using an accurate ten-thousandth auto-balance. Finally, a metal lithium sheet is adopted as a counter electrode, and 1mol/L LiPF6A mixed solution of Ethylene Carbonate (EC), dimethyl carbonate (DMC) and diethyl carbonate (DEC) was used as an electrolyte, wherein the electrolyte EC: DMC: DEC =1:1:1 (volume ratio), the separator was a polypropylene microporous membrane, the battery case was CR2032, and the coin cell was built in a glove box filled with argon gas.
A LAND battery testing system (CT 2001A) produced by Wuhan blue-electron corporation is adopted to perform constant-current charging and discharging tests on the button battery under the current density of 100 mA/g. The charging and discharging voltage interval is 0-3V, the testing temperature is room temperature, 100 cycles of charging and discharging tests are set, the first discharging capacity is 279mAh/g, the specific capacity is gradually increased after the second cycle, the discharging specific capacity of the twentieth cycle reaches 758mAh/g, the peak specific capacity of the 25 th cycle reaches 800.5mAh/g and then begins to be reduced, the discharging specific capacity of the fifty th cycle is 735.7mAh/g, and the charging capacity is reduced to 349.6mAh/g after 100 cycles (the experimental result is shown in figure 4).
Example 1
The preparation method of the Ce-Li-MOF lithium ion battery anode material is implemented according to the following steps:
the method comprises the following steps: pyromellitic acid (0.5032 g) and Ce (SO)4)2ˑ4H2Charging three substances of O (0.7875g) and LiOH (0.2476 g) into a polytetrafluoroethylene reaction kettle, adding 18.05g of deionized water, stirring at room temperature for 30 minutes, sealing the reaction kettle, transferring the reaction kettle into an oven preheated to 200 ℃, and keeping the temperature at 200 ℃ for 72 hours. And naturally cooling the oven to room temperature, washing the solid product with deionized water (100 mL) for 3 times, ultrasonically cleaning, filtering to obtain light yellow crystal particles, and drying under a natural environment condition to obtain the Ce-Li-MOF material.
Step two: the application of the Ce-Li-MOF lithium ion battery negative electrode material in the aspect of preparing the lithium ion battery is implemented according to the following steps: electrode active material Ce-Li-MOF, conductive acetylene black and polyvinylidene fluoride (PVDF) were mixed at a ratio of 7: 2: 1, and then adding a proper amount of solvent N-methyl pyrrolidone (NMP). The mixture was thoroughly ground to form a uniform paste. The slurry was then coated on the smooth surface of a copper foil, and the coated electrode sheet cut from the copper foil was dried in a vacuum (0.1 MPa) oven at 90 ℃ for 12 hours. After cooling to room temperature, the dried copper foil coated with the negative electrode material was taken out of the oven, and then the contact between the anode material and the copper foil was secured under a pressure of 10Mpa to prevent the release of the anode material from the copper. During electrochemical testing, the dried and pressed copper film was cut into 0.8cm long squares using a specialized tool, and then the weight of each electrode was automatically weighed using an accurate ten-thousandth auto balance.
Step three: a metal lithium sheet is used as a counter electrode, 1mol/L LiPF 6/Ethylene Carbonate (EC) -dimethyl carbonate (DMC) -diethyl carbonate (DEC) mixed solution is used as electrolyte, wherein the electrolyte EC: DMC: DEC =1:1:1 (volume ratio), a diaphragm is a polypropylene microporous membrane, a battery shell type is CR2032, and a button battery is filled in a glove box filled with argon atmosphere. The assembled cell was subjected to electrochemical testing after 20h standing.
Example 2
The preparation method of the Ce-Li-MOF lithium ion battery anode material is implemented according to the following steps:
the method comprises the following steps: pyromellitic acid (0.5905 g) and Ce (SO)4)2ˑ4H2Charging three substances of O (0.7908g) and LiOH (0.2506 g) into a polytetrafluoroethylene reaction kettle, adding 19.07g of deionized water, stirring at room temperature for 30 minutes, sealing the reaction kettle, transferring the reaction kettle into an oven preheated to 190 ℃, and keeping the temperature of 190 ℃ for 71 hours. And naturally cooling the oven to room temperature, washing the solid product with deionized water (100 mL) for 3 times, ultrasonically cleaning, filtering to obtain light yellow crystal particles, and drying under a natural environment condition to obtain the Ce-Li-MOF material.
Step two: the application of the Ce-Li-MOF lithium ion battery negative electrode material in the aspect of preparing the lithium ion battery is implemented according to the following steps: electrode active material Ce-Li-MOF, conductive acetylene black and polyvinylidene fluoride (PVDF) were mixed at a ratio of 7: 2: 1, and then adding a proper amount of solvent N-methyl pyrrolidone (NMP). The mixture was thoroughly ground to form a uniform paste. The slurry was then coated on the smooth surface of a copper foil, and the coated electrode sheet cut from the copper foil was dried in a vacuum (0.1 MPa) oven at 110 ℃ for 12 hours. After cooling to room temperature, the dried copper foil coated with the negative electrode material was taken out of the oven, and then the contact between the anode material and the copper foil was secured under a pressure of 10Mpa to prevent the release of the anode material from the copper. During electrochemical testing, the dried and pressed copper film was cut into 0.8cm long squares using a specialized tool, and then the weight of each electrode was automatically weighed using an accurate ten-thousandth auto balance.
Step three: the metal lithium sheet is used as a counter electrode, and 1mol/L LiPF6The button cell was housed in a glove box filled with argon gas, and the electrolyte was a polypropylene microporous membrane as a cell shell type CR 2032. The assembled cell was subjected to electrochemical testing after 20h standing.
The test result shows that the first discharge capacity is 279mAh/g, the specific capacity is gradually increased after the second circle, the discharge specific capacity of the twentieth circle reaches 758mAh/g, the peak specific capacity of the 25 th circle is 800.5mAh/g, the discharge specific capacity of the fifty th circle is 735.7mAh/g, and the charge capacity is reduced to 349.6mAh/g after 100 cycles. Low requirement on equipment and convenient operation. Synthetic material Ln-Li-MOF (C)10H2CeLiO8) The structure is stable, and the lithium ion battery cathode material is novel in structure.
It is understood that various other changes and modifications may be made by those skilled in the art based on the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the claims of the present invention.
Claims (9)
- The preparation method of the Ce-Li-MOF lithium ion battery anode material is characterized by comprising the following steps:(1) placing pyromellitic acid, cerium sulfate and lithium hydroxide in a reaction kettle, adding deionized water, and stirring at room temperature; the mass ratio of the pyromellitic acid to the cerium sulfate to the lithium hydroxide to the deionized water is as follows in sequence: 0.4-0.6: 0.7-0.9: 0.2-0.3: 18-20;(2) transferring the product obtained in the step (1) into an oven for constant temperature treatment;(3) naturally cooling the product obtained in the step (2) to room temperature, washing with deionized water and ultrasonically cleaning, and then filtering to obtain light yellow crystal particles; and drying under natural conditions to obtain the Ce-Li-MOF lithium ion battery cathode material.
- 2. The preparation method of the anode material of the Ce-Li-MOF lithium ion battery of claim 1, wherein the method comprises the following steps: in the step (2), the preheating temperature of the oven is 180-200 ℃; the constant temperature is 180-200 ℃; the constant temperature time is 70-72 h.
- 3. The preparation method of the Ce-Li-MOF lithium ion battery anode material according to claim 2, characterized in that: and (3) washing the product obtained in the step (2) with deionized water for 2-3 times, and drying for 10-12 h under natural conditions to obtain the Ce-Li-MOF lithium ion battery cathode material.
- 4. An application of a product prepared by the preparation method of the Ce-Li-MOF lithium ion battery negative electrode material of any one of claims 1 to 3 in the aspect of preparing a lithium ion battery is characterized by comprising the following steps: fully grinding a Ce-Li-MOF lithium ion battery negative electrode material, polyvinylidene fluoride, conductive graphite and N-methyl pyrrolidone to obtain lithium ion battery electrode slurry; and uniformly coating the lithium ion battery electrode slurry on the surface of copper foil, drying the coated electrode plate, cooling to room temperature, slicing the electrode plate stamped sheet, and assembling the battery to obtain the lithium ion battery.
- 5. The application of the product prepared by the preparation method of the Ce-Li-MOF lithium ion battery negative electrode material in the aspect of preparing the lithium ion battery is characterized in that: the mass ratio of the Ce-Li-MOF lithium ion battery negative electrode material to the conductive acetylene black to the polyvinylidene fluoride is as follows in sequence: 5-8: 1-3: 0.5 to 2.
- 6. The application of the product prepared by the preparation method of the Ce-Li-MOF lithium ion battery anode material according to claim 5 in the preparation of lithium ion batteries is characterized in that: and drying the electrode slice in a 0.1Mpa vacuum drying oven at 80-110 ℃ for 10-13 h.
- 7. The application of the product prepared by the preparation method of the Ce-Li-MOF lithium ion battery anode material according to claim 6 in the preparation of lithium ion batteries is characterized in that: and taking out the coated electrode plate, and fastening the anode material and the copper foil under the pressure of 10 Mpa.
- 8. The application of the product prepared by the preparation method of the Ce-Li-MOF lithium ion battery negative electrode material in the aspect of preparing the lithium ion battery, which is characterized in that: the electrolyte used in the battery assembly comprises LiPF6Ethylene carbonate, dimethyl carbonate and diethyl carbonate; the volume ratio of the ethylene carbonate to the dimethyl carbonate to the diethyl carbonate is 1:1:1 in sequence.
- 9. The application of the product prepared by the preparation method of the Ce-Li-MOF lithium ion battery anode material according to claim 8 in the preparation of lithium ion batteries is characterized in that: the diaphragm in the battery assembly adopts a polypropylene microporous membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099125.7A CN109867796B (en) | 2019-01-31 | 2019-01-31 | Preparation method of Ce-Li-MOF lithium ion battery negative electrode material and application of Ce-Li-MOF lithium ion battery negative electrode material in preparation of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099125.7A CN109867796B (en) | 2019-01-31 | 2019-01-31 | Preparation method of Ce-Li-MOF lithium ion battery negative electrode material and application of Ce-Li-MOF lithium ion battery negative electrode material in preparation of lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109867796A CN109867796A (en) | 2019-06-11 |
| CN109867796B true CN109867796B (en) | 2021-08-10 |
Family
ID=66918394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910099125.7A Expired - Fee Related CN109867796B (en) | 2019-01-31 | 2019-01-31 | Preparation method of Ce-Li-MOF lithium ion battery negative electrode material and application of Ce-Li-MOF lithium ion battery negative electrode material in preparation of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109867796B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112708143A (en) * | 2020-11-30 | 2021-04-27 | 广东微电新能源有限公司 | Novel MOFs lithium battery negative electrode material and preparation method and application thereof |
| CN113594459B (en) * | 2021-07-26 | 2022-06-14 | 常州烯源谷新材料科技有限公司 | Composite negative electrode material with multilayer structure and preparation method and application thereof |
| CN115785464B (en) * | 2022-11-21 | 2023-08-29 | 沈阳工业大学 | Preparation method and application of supercapacitor electrode material Ln(s) -Co compound |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107323A (en) * | 2012-12-27 | 2013-05-15 | 东莞上海大学纳米技术研究院 | Cerium-doped modified lithium titanate negative material of lithium ion secondary battery and preparation method thereof |
| CN106935862A (en) * | 2017-04-11 | 2017-07-07 | 桂林电子科技大学 | A kind of application of cobalt-based metal-organic framework material |
| CN107482222A (en) * | 2017-09-05 | 2017-12-15 | 深圳市比克动力电池有限公司 | Combined conductive agent, electrodes of lithium-ion batteries and lithium ion battery |
| CN108807960A (en) * | 2018-07-09 | 2018-11-13 | 华南师范大学 | A kind of height ratio capacity lithium ion battery silicon cathode material preparation method |
| CN109065800A (en) * | 2018-07-03 | 2018-12-21 | 华南师范大学 | A kind of preparation method of metal organic frame carbon nano tube compound material |
| CN109384665A (en) * | 2017-08-08 | 2019-02-26 | 中国石油化工股份有限公司 | One kind containing bimetallic metal-organic framework materials and preparation method thereof |
| US10615390B2 (en) * | 2015-11-20 | 2020-04-07 | Samsung Electronics Co., Ltd. | Electrode-composite separator assembly for lithium battery and battery including the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013192146A1 (en) * | 2012-06-18 | 2013-12-27 | Northwestern University | Metal-organic framework materials with ultrahigh surface areas |
-
2019
- 2019-01-31 CN CN201910099125.7A patent/CN109867796B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107323A (en) * | 2012-12-27 | 2013-05-15 | 东莞上海大学纳米技术研究院 | Cerium-doped modified lithium titanate negative material of lithium ion secondary battery and preparation method thereof |
| US10615390B2 (en) * | 2015-11-20 | 2020-04-07 | Samsung Electronics Co., Ltd. | Electrode-composite separator assembly for lithium battery and battery including the same |
| CN106935862A (en) * | 2017-04-11 | 2017-07-07 | 桂林电子科技大学 | A kind of application of cobalt-based metal-organic framework material |
| CN109384665A (en) * | 2017-08-08 | 2019-02-26 | 中国石油化工股份有限公司 | One kind containing bimetallic metal-organic framework materials and preparation method thereof |
| CN107482222A (en) * | 2017-09-05 | 2017-12-15 | 深圳市比克动力电池有限公司 | Combined conductive agent, electrodes of lithium-ion batteries and lithium ion battery |
| CN109065800A (en) * | 2018-07-03 | 2018-12-21 | 华南师范大学 | A kind of preparation method of metal organic frame carbon nano tube compound material |
| CN108807960A (en) * | 2018-07-09 | 2018-11-13 | 华南师范大学 | A kind of height ratio capacity lithium ion battery silicon cathode material preparation method |
Non-Patent Citations (3)
| Title |
|---|
| Lithium-Lanthanide Bimetallic Metal-Organic Frameworks towards Negative Electrode Materials for Lithium-Ion Batteries;Song, XY，等;《CHEMISTRY-A EUROPEAN JOURNAL》;20200504;第26卷(第 25期);正文第 5654-5661页 * |
| 基于柔性多羧酸配体构筑的功能性配位聚合物的合成、结构及光电性能研究;王锐;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20160115(第 01 期);第B014-244页 * |
| 铈盐配合物对锂离子电池的抗过充性能;冯祥明 ，等;《化学研究》;20061010;第17卷(第3期);正文第29-31页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109867796A (en) | 2019-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108899539A (en) | A kind of nickelic ternary lithium ion anode material and preparation method thereof | |
| CN106920989B (en) | A kind of copper selenium compound is the sodium-ion battery of negative electrode material | |
| CN109867796B (en) | Preparation method of Ce-Li-MOF lithium ion battery negative electrode material and application of Ce-Li-MOF lithium ion battery negative electrode material in preparation of lithium ion battery | |
| CN107634226B (en) | Synthesis and application of lithium ion battery cathode material taking coordination polymer as template | |
| CN112885985B (en) | Positive pole piece and preparation method thereof, electrochemical energy storage device and pre-metallization method of electrochemical energy storage device | |
| CN107293722B (en) | self-supporting NaVPO4F/C composite lithium ion battery anode and preparation method thereof | |
| CN114702614A (en) | Cathode material for improving cycling stability of vulcanized polyacrylonitrile battery and preparation method thereof | |
| CN107492635B (en) | Composite positive electrode material Na of sodium-ion battery3V2(PO4)3/C and preparation method thereof | |
| CN105185978A (en) | Manganese-containing oxygen compound used as negative active substance, and preparation method and use thereof | |
| CN113060715B (en) | Method for synthesizing lithium ferric manganese phosphate cathode material | |
| CN103943856B (en) | A kind of preparation method of phthalocyanine-iron phosphate compound anode material of lithium | |
| CN113299897A (en) | Na3V2(PO4)3Mixed ion full cell with @ C as anode material | |
| CN102769134B (en) | Preparation method of lithium ion battery anode composite material LiFePO4/C | |
| CN110247041B (en) | ZnNiO/C composite nano material and preparation method thereof | |
| CN107394147B (en) | NaVPO4F/C sodium ion composite anode and preparation method thereof | |
| CN107482181B (en) | Composite lithium ion battery anode material Li3V2(PO4)3/C and preparation method thereof | |
| CN109873157A (en) | Co for lithium ion battery2(BDC)2Ted negative electrode material | |
| CN116169429A (en) | Preparation method of lithium-sulfur battery based on phosphorus-based anion frame polymer diaphragm coating | |
| CN109728298A (en) | A kind of silicon substrate high-performance dynamic lithium battery group and preparation method thereof | |
| CN109411732A (en) | A kind of preparation method of the nucleocapsid cladding compound lithium sulfur battery anode material of sulphur-carbon nanotube | |
| CN115295865A (en) | Preparation method of in-situ polymerization solid polymer electrolyte lithium ion battery | |
| CN104466129A (en) | Method for preparing lithium ion battery composite positive electrode material (lithium iron phosphate/tetraphenyl porphyrin magnesium) | |
| CN113488645A (en) | Application of ferric phosphate/carbon composite material as lithium ion battery negative electrode material | |
| CN113206226A (en) | Double-transition metal carbide compound and preparation method and application thereof | |
| CN110589792A (en) | Preparation method of anode material ferric pyrophosphate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 Termination date: 20220131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |